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1394 data collection module

A data acquisition module and data technology, applied in data exchange network, data exchange through path configuration, digital transmission system, etc., can solve problems such as poor accuracy and reliability, easy packet loss, and poor scalability of 1394 data acquisition cards. , to achieve the effect of increasing accuracy and reliability, and expanding the number of connections

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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Since this structure only contains one link, the current 1394 data acquisition card has poor scalability, and it is only based on the 1394 protocol, which makes packet loss prone to occur during data transmission, and poor accuracy and reliability.

Method used

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  • 1394 data collection module
  • 1394 data collection module
  • 1394 data collection module

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Embodiment Construction

[0041] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0042] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0043] In order to achieve the object of the present invention, the present invention provides a kind of 1394 data collection modules, such as figure 1 As shown, the 1394 data acquisition module includes: Power PC main processor and multiple 1394 links. ...

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Abstract

The invention discloses a 1394 data collection module, comprising a power PC main processor and a plurality of 1394 links. The power PC main processor is connected with the plurality of 1394 links. Each 1394 link comprises a 1394 link layer chip, a 1394 physical layer chip and a plurality of ports. A power PC is connected with the 1394 link layer chip. The 1394 link layer chip is connected with the 1394 physical layer chip. The 1394 physical layer chip is connected with the plurality of ports. Each port realizes one bus. Data output by a plurality of buses realized by each 1394 link is the same. Through application of the scheme of the embodiment of the invention, the number of connections among modules and the number of data transmission channels are increased, and the accuracy and reliability in the data transmission process are improved.

Description

technical field [0001] The invention relates to data acquisition technology, in particular to a 1394 data acquisition module. Background technique [0002] With the rapid development of the IEEE Std 1394-1995 technology of the Institute of Electrical and Electronics Engineers, IEEE 1394 has become the basic external interface of many electronic devices. The most commonly used 1394 data acquisition card in consumer electronics is a DV acquisition card, one side is a PCIe metal finger structure, and the other side is a video interface, used to transmit image data; in industrial applications, the most commonly used is an interface adapter card, generally There is no processor on the connection card, it only provides interface conversion function, and supports a link with up to 3 ports. The 3 ports include: 2 9pin 1394 ports and 1 6pin 1394 port, which are used to transmit large data. Because this structure contains only one link, the scalability of the current 1394 data acquis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40
CPCH04L12/40052H04L12/40071
Inventor 李焕宋钱骞纪德波甄学礼黄秋柏
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